Key match has number 1031. Maybe its a Halloween door.
Antique Cast Iron Still Bank House & Post Office Box
Antique US Post Office Box Door Bank, Flying Eagle, With Combination Patriotic
VTG Indianapolis Lock Co. Post Office Box Door Size #2 - Medium 5-1/4" x 5-5/8"
Vintage Brass Post Office Box Doors Greek Key American Device Mfg Co 1964 1966
Vintage Post Office Box Door Coin Bank Dual Dial Oak Wood US Eagle
1886 Keyless Lock Rolled Brass Post Office Box Door w Key - #53
